2026 assessment
$1.4M
OPA value, not a listing price
Commercial property report
34-36 S 18th St
2 stories5,760 sqftCMX5built 1961
Property at a glanceOffices
Gen Bldg Contractors Asso
2027 published assessment
$1.5M
Future roll, not the current tax bill
Location
0 block of S 18th St
ZIP 19103
Neighborhood area
Rittenhouse · Logan Square
Approximate · based on ZIP 19103
Assessment and City record timeline
The line tracks this property’s published City assessment. Markers show deeds, permits, inspections, licenses, violations, certifications, and appeals on their recorded dates. Select one to read the filing.
Assessments are tax-roll values, not sale prices or appraisals. OPA has published a 2027 assessment of $1,457,900. It is not yet the billed-year tax basis.
- OPA assessment · 2016$755K assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2017$755K assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2018$1.3M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2019$1.4M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2020$1.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2021$1.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2022$1.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2023$1.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2024$1.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2025$1.4M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2026$1.4M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- OPA assessment · 2027$1.5M assessed valueOPA’s value on the City tax roll for that year. It is not an appraisal, listing price, sale price, or live tax balance.How Philadelphia property assessments work ↗
- Permit · 2014-09-08Major alterationA broad legacy permit work category for a substantial building alteration. It can include changed layouts, partitions, fixtures, finishes, structural work, or occupancy-related work, but only the approved scope and plans say what this permit actually authorized; separate trade permits may be required.What Philadelphia building permits can cover ↗
- Permit · 2014-09-16ElectricalThis permit category usually covers electrical installation, alteration, replacement, or repair. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- Permit · 2015-05-01ElectricalThis permit category usually covers electrical installation, alteration, replacement, or repair. The approved scope—not the short category—defines what was authorized, and issuance alone does not prove completion.Philadelphia construction and repair permits ↗
- Permit · 2016-09-21Major alterationA broad legacy permit work category for a substantial building alteration. It can include changed layouts, partitions, fixtures, finishes, structural work, or occupancy-related work, but only the approved scope and plans say what this permit actually authorized; separate trade permits may be required.What Philadelphia building permits can cover ↗
- Certification · 2022-11-15Special Hazards CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2023-05-18Special Hazards CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2023-09-26Fire Alarm CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2023-11-20Special Hazards CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2024-09-06Fire Alarm CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2025-09-04Fire Alarm CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2025-09-23Special Hazards CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
- Certification · 2026-03-17Special Hazards CertificationA filed inspection or certification for a regulated building system or component. Check the result, expiration date, and latest filing before treating it as current.What Philadelphia inspections check ↗
Property assessmentAssessmentPermitCertification
Scroll horizontally to move through the years. Each icon sits on its recorded date; records without a day are labeled and centered within their year. Select one to explain the filing.
Highlight
Every dated record12 events · exact dates, newest first
- CertificationSpecial Hazards Certification
- CertificationSpecial Hazards Certification
- CertificationFire Alarm Certification
- CertificationFire Alarm Certification
- CertificationSpecial Hazards Certification
- CertificationFire Alarm Certification
- CertificationSpecial Hazards Certification
- CertificationSpecial Hazards Certification
- PermitMajor alteration
- PermitElectrical
- PermitElectrical
- PermitMajor alteration
Verify the public record
Property tax
$20,195/year estimated property tax
2026 taxable assessment $1,442,700 × 1.3998%. This is an estimate, not a bill or account balance. The City maintains payments, credits, interest, and the current amount due.
OPA has published a 2027 assessment of $1,457,900. It is not the 2026 billed-year value.
Payments, credits, interest, and the current amount due are maintained by the City.
OPA 8833335102026 taxable assessment equals the full assessed value.
Historical delinquency sources No current conclusion
This parcel did not match the June 2022 delinquency snapshot. That absence does not confirm the account is current today.
For a purchase, refinance, or closing, request the City’s official Property Payoff statement in Tax Center under “More options.”
Property report
Commercial property
Offices, recorded in the City's offices category. The public record and owner trail follow.
What it is
Offices
Off Bld N/Pkg N/Com Mason
Owner
Gen Bldg Contractors Asso
$ / sq ft
$253
above the $142 median for 753 offices parcels citywide
Corridor
Market West
city commercial corridor
Interior area
5,760 sqft
Lot size
3,061 sqft
Stories
2
Built
1961
Zoning
CMX5
Recorded owner
Who's behind it
Gen Bldg Contractors Asso · corporate / LLC owner
• Tax bills mail to 36 S 18th St, Philadelphia PA, 19103
Block context
0 block of S 18th St. Compare parcels, ownership, and public-record history.
See the whole block →Next door: 32 S 18th St · 28 S 18th St
L&I licenses checked through Jul 24, 2026
No business or residential license records
No business license or residential registration matched this OPA parcel in the latest City data.
Open every source row 12 dated rows
- CertificationSpecial Hazards Certification
Certification BC-2026-007169 · Certified
Expires 2027-03-17
- CertificationSpecial Hazards Certification
Certification BC-2025-025014 · Certified
Expires 2026-09-23
- CertificationFire Alarm Certification
Certification BC-2025-023695 · Certified
Expires 2026-09-04
- CertificationFire Alarm Certification
Certification BC-2024-026266 · Certified
Expires 2025-09-06
- CertificationSpecial Hazards Certification
Certification BC-2023-023736 · Certified
Expires 2024-11-20
- CertificationFire Alarm Certification
Certification BC-2023-021279 · Certified
Expires 2024-09-26
- CertificationSpecial Hazards Certification
Certification BC-2023-010758 · Certified
Expires 2024-05-18
- CertificationSpecial Hazards Certification
Certification BC-2022-017002 · Certified
Expires 2023-11-15
- PermitMajor alteration
Permit 695194 · COMPLETED
FOR THE DEMOLITION OF A FACADE SYSTEM AND FOR THE INSTALLATION OF A NEW CURTAINWALL SYSTEM ON AN EXISTING BUSINESS & OFFICE BUILDING. ** ALL ASBESTOS TO BE TREATED & REMOVED PRIOR TO COMMENCEMENT OF WORK. **
- PermitElectrical
Permit 598030 · COMPLETED
RELOCATING EXISTING FIRE ALARM DEVICES/APPLIANCES IN BASEMENT ONLY AS PER NFPA 72
- PermitElectrical
Permit 561901 · COMPLETED
NEW LIGHT FIXTURES AND RECEPTACLES IN BASEMENT SEMINAR ROOM PER 2008 NEC (COMMERCIAL)
- PermitMajor alteration
Permit 558241 · COMPLETED
NO CHANGE IN USE AND OCCUPANCY CLASSIFICATION. INTERIOR ALTERATIONS TO CREATE A SEMINAR ROOM AS PER PLANS. SEPARATE PERMIT REQUIRED FOR MECHANICAL, ELECTRICAL, AND PLUMBING WORK.
Where this comes from
- Assessment, spec sheet & owner: OPA Property Assessments, Office of Property Assessment
- Sales & deed history: Realty Transfer Tax records, Recorder of Deeds
- Permits, violations & inspections: L&I Property History · Atlas
- Tax delinquency snapshot · June 2022: Real Estate Tax Delinquencies, Dept. of Revenue
- Historical tax ledger & liens · through 2016: Real Estate Tax Balances, Dept. of Revenue
- Current property-tax balance: Verify with Philadelphia Revenue
- Zoning appeals: L&I & Zoning Board appeals
- Imagery: Street photo © Google · Aerial © Esri, Maxar
Methodology & freshness
This report was assembled Jul 25, 2026, 9:00 AM ET. Available City datasets are queried from OpenDataPhilly (phl.carto.com) and the cited City ArcGIS feeds; record queries paginate rather than silently taking a first page. For this property: Permits: queried · Violations: queried · Investigations: queried · Appeals: queried · Licenses: queried · Building certifications: queried. “Unavailable” means the source query failed or was not supplied, not “no record.” Reports re-pull on view after seven days and on an overnight rolling schedule; citywide benchmarks recompute weekly. Source dates still govern: the parcel-level tax-delinquency snapshot is June 2022 and the separate detailed tax ledger ends in 2016, so neither establishes today’s balance. The live balance and date-effective payoff must be verified in Tax Center. AI-written passages are grounded in the assembled record and rejected if they state a number the record does not hold.
Official city record ↗ · L&I history ↗ · See the whole block · Download this record (JSON)